Abstract: A fire-control system including a housing, a light channel, a light source, and a processor. Through the light channel, a user may directly observe a target and receive visually displayed information simultaneously. The light channel includes partially reflective optics and allows for visualization of a reticle to the user via the partially reflective optics. A measure of the distance to the target is also received by the system. The processor is for determining the adequate position of the reticle, based on the distance to the target, and for controlling the light source to emit light so that the reticle is visualized at the adequate position. The light source is an array capable of selectively emitting light in well defined locations on its surface.

Abstract: A fire-control system comprising a housing, a light channel, through which a user may directly observe a target and receive visually displayed information simultaneously, said light channel comprising partially reflective optics a light source, for visualization of a reticle to the user via the partially reflective optics, means for receiving a measure of the distance to the target a processor, for determining the adequate position of the reticle, based on the distance to the target, and for controlling the light source to emit light so that the reticle is visualized at the adequate position, wherein the light source is an array capable of selectively emitting light in well defined locations on its surface.

Abstract: A fire-control system including a housing and a light channel, through which a user may directly observe a target and receive visually displayed information simultaneously. The light channel includes partially reflective optics. The fire-control system also includes a light source for visualization of a reticle to the user via the partially reflective optics and means for receiving a measure of the distance to the target. The fire-control system further includes a processor for determining the adequate position of the reticle based on the distance to the target and for controlling the light source to emit light so that the reticle is visualized at the adequate position. The light source is an array capable of selectively emitting light in well-defined locations on its surface.

Abstract: A fire-control system comprising -a housing, -a light channel, through which a user may directly observe a target and receive visually displayed information simultaneously, said light channel comprising partially reflective optics a light source, for visualization of a reticle to the user via the partially reflective optics, -means for receiving a measure of the distance to the target a processor, for determining the adequate position of the reticle, based on the distance to the target, and for controlling the light source to emit light so that the reticle is visualized at the adequate position, wherein the light source is an array capable of selectively emitting light in well defined locations on its surface.

Abstract: A flat annular disc filter paper has a plurality of randomly oriented fibers at its surface. The paper is impregnated with a phenolic resin so as to resist compression of the disc and swelling of the paper. The filter paper is made by soaking the paper in the resin, heating the paper and resin so as to burn and melt the resin into close contact with the paper and rolling the filter paper at a temperature above ambient temperature.

Abstract: A flat annular disc filter paper has a plurality of randomly oriented fibers at its surface. The paper is impregnated with a phenolic resin so as to resist compression of the disc and swelling of the paper. The filter paper is made by soaking the paper in the resin, heating the paper and resin so as to burn and melt the resin into close contact with the paper and rolling the filter paper at a temperature above ambient temperature.

Abstract: A filter assembly is formed by arranging a large number of substantially annular, thin filter elements disposed around a radially pervious and hollow core so that a major portion of the core is surrounded by the filter elements. Slots between the filter elements allow passage of the liquid to be filtered. The filter assembly is enclosed in a closed vessel with the interior of the core being in communication with an outlet line. An initial axial pressure is established on the filter elements by a spring which acts on an end support engaging the end one of the filter elements. The axial pressure on the filter elements is controlled by controlling pressure in the closed vessel and thus the size of the slots is controlled to establish the desired filtering degree of the filter assembly.